Rename 32- and 64-bit Intel files from "i386" to "x86"

This commit renames nine files that contain code used by both 32- and
64-bit Intel ports such that their names are prefixed with "x86"
rather than "i386".  All types, functions and variables within these
files are likewise renamed such that their names are prefixed with
"x86" rather than "i386".  This makes GDB follow the convention used
by gdbserver such that 32-bit Intel code lives in files called
"i386-*", 64-bit Intel code lives in files called "amd64-*", and code
for both 32- and 64-bit Intel lives in files called "x86-*".

This commit only renames OS-independent files.  The Linux ports of
both GDB and gdbserver now follow the i386/amd64/x86 convention fully.
Some ports still use the old convention where "i386" in file/function/
type/variable names can mean "32-bit only" or "32- and 64-bit" but I
don't want to touch ports I can't fully test except where absolutely
necessary.

gdb/ChangeLog:

	* i386-nat.h: Renamed as...
	* x86-nat.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* i386-nat.c: Renamed as...
	* x86-nat.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* common/i386-xstate.h: Renamed as...
	* common/x86-xstate.h: New file.  All type, function and variable
	name prefixes changed from "i386_" to "x86_".  All references
	updated.
	* nat/i386-cpuid.h: Renamed as...
	* nat/x86-cpuid.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* nat/i386-gcc-cpuid.h: Renamed as...
	* nat/x86-gcc-cpuid.h: New file.  All type, function and variable
	name prefixes changed from "i386_" to "x86_".  All references
	updated.
	* nat/i386-dregs.h: Renamed as...
	* nat/x86-dregs.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* nat/i386-dregs.c: Renamed as...
	* nat/x86-dregs.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.

gdb/gdbserver/ChangeLog:

	* i386-low.h: Renamed as...
	* x86-low.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* i386-low.c: Renamed as...
	* x86-low.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.

1 files changed, 11 insertions, 11 deletions

diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index aa60d3a..b3707f7 100644
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -37,7 +37,7 @@
 #include "xml-syscall.h"
 
 #include "i387-tdep.h"
-#include "i386-xstate.h"
+#include "x86-xstate.h"
 
 /* The syscall's XML filename for i386.  */
 #define XML_SYSCALL_FILENAME_I386 "syscalls/i386-linux.xml"
@@ -70,7 +70,7 @@ static struct core_regset_section i386_linux_sse_regset_sections[] =
 static struct core_regset_section i386_linux_avx_regset_sections[] =
 {
   { ".reg", 68, "general-purpose" },
-  { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" },
+  { ".reg-xstate", X86_XSTATE_MAX_SIZE, "XSAVE extended state" },
   { NULL, 0 }
 };
 
@@ -613,8 +613,8 @@ i386_linux_core_read_xcr0 (bfd *abfd)
       size_t size = bfd_section_size (abfd, xstate);
 
       /* Check extended state size.  */
-      if (size < I386_XSTATE_AVX_SIZE)
-	xcr0 = I386_XSTATE_SSE_MASK;
+      if (size < X86_XSTATE_AVX_SIZE)
+	xcr0 = X86_XSTATE_SSE_MASK;
       else
 	{
 	  char contents[8];
@@ -647,18 +647,18 @@ i386_linux_core_read_description (struct gdbarch *gdbarch,
   /* Linux/i386.  */
   uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
 
-  switch ((xcr0 & I386_XSTATE_ALL_MASK))
+  switch ((xcr0 & X86_XSTATE_ALL_MASK))
     {
-    case I386_XSTATE_MPX_AVX512_MASK:
-    case I386_XSTATE_AVX512_MASK:
+    case X86_XSTATE_MPX_AVX512_MASK:
+    case X86_XSTATE_AVX512_MASK:
       return tdesc_i386_avx512_linux;
-    case I386_XSTATE_MPX_MASK:
+    case X86_XSTATE_MPX_MASK:
       return tdesc_i386_mpx_linux;
-    case I386_XSTATE_AVX_MASK:
+    case X86_XSTATE_AVX_MASK:
       return tdesc_i386_avx_linux;
-    case I386_XSTATE_SSE_MASK:
+    case X86_XSTATE_SSE_MASK:
       return tdesc_i386_linux;
-    case I386_XSTATE_X87_MASK:
+    case X86_XSTATE_X87_MASK:
       return tdesc_i386_mmx_linux;
     default:
       break;